private void SendMail()
{
string mailSubject = "終業打刻忘れ通知";
string mailBody = "終業打刻がされてないっぽいです";
var addrList = _smtpMailToRaw.Split(";");
var message = new MimeKit.MimeMessage();
message.From.Add(new MimeKit.MailboxAddress(_smtpAccount));
foreach (var addr in addrList)
{
message.To.Add(new MimeKit.MailboxAddress(addr.Trim()));
}
message.Subject = mailSubject;
var textpart = new MimeKit.TextPart(MimeKit.Text.TextFormat.Plain);
textpart.Text = mailBody;
message.Body = textpart;
using (var client = new MailKit.Net.Smtp.SmtpClient())
{
client.ServerCertificateValidationCallback = (s, c, h, e) => true;
client.Connect(this._smtpServer, this._smtpPort);
client.Authenticate(_smtpAccount, this._smtpPass);
client.Send(message);
client.Disconnect(true);
}
}
/// <summary>
/// メール送信試験
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void SendTestButton_Click(object sender, EventArgs e)
{
try
{
var message = new MimeKit.MimeMessage();
message.From.Add(new MimeKit.MailboxAddress(SenderNameTextBox.Text, SenderAddressTextBox.Text));
string[] name = ReceiverNameTextBox.Text.Replace(",", ";").Split(';');
string[] addresses = ReceiverAddressTextBox.Text.Replace(",", ";").Split(';');
try
{
for (int i = 0; i < addresses.Length; i++)
{
message.To.Add(new MimeKit.MailboxAddress(name[i].Trim(), addresses[i].Trim()));
}
}
catch (Exception)
{
this.ShowErrorDialog("宛先・送信先エラー", "宛先又は送信先が不正です。");
return;
}
message.Subject = MailTitleTextBox.Text;
var textPart = new MimeKit.TextPart(MimeKit.Text.TextFormat.Plain);
textPart.Text = MailTextBox.Text;
message.Body = textPart;
using (var client = new MailKit.Net.Smtp.SmtpClient())
{
try
{
await client.ConnectAsync(MailHostTextBox.Text, int.Parse(PortNoTextBox.Text));
if (!string.IsNullOrEmpty(UserNameTextBox.Text) && !string.IsNullOrEmpty(PasswordTextBox.Text))
{
await client.AuthenticateAsync(UserNameTextBox.Text, PasswordTextBox.Text);
}
await client.SendAsync(message);
await client.DisconnectAsync(true);
this.ShowDialog("送信成功", "メール送信に成功しました!!");
}
catch (Exception ex)
{
this.ShowErrorDialog("メール送信失敗", ex.Message);
Console.WriteLine(ex.Message);
}
}
}
catch (Exception ex)
{
throw Program.ThrowException(ex);
}
}
public async void SendMailAsync(string to, string from, string subject, string text)
{
var message = new MimeKit.MimeMessage();
// 宛先情報
message.From.Add(new MimeKit.MailboxAddress("<宛名>", from));
// 送り元情報
message.To.Add(new MimeKit.MailboxAddress("<送信者名>", to));
// 表題
message.Subject = subject;
// 内容
var textPart = new MimeKit.TextPart(MimeKit.Text.TextFormat.Plain);
textPart.Text = text;
message.Body = textPart;
using (var client = new MailKit.Net.Smtp.SmtpClient())
{
try
{
// SMTPサーバに接続
await client.ConnectAsync(SmtpHost, SmtpPort);
Debug.WriteLine("接続完了");
// SMTPサーバ認証（あれば）
await client.AuthenticateAsync(User, Pass);
// 送信
await client.SendAsync(message);
// 切断
await client.DisconnectAsync(true);
}
catch (Exception e)
{
Debug.WriteLine("{0} Exception caught.", e);
}
}
}
private async Task SendHtmlMail(string smtpserver, int port, bool usessh, string account, string pwd, string FromNickName, string FromAccount, string ToNickName, string ToAccount, string Subject, string HtmlContent)
{
try
{
var message = new MimeKit.MimeMessage();
message.From.Add(new MimeKit.MailboxAddress(FromNickName, FromAccount));
message.To.Add(new MimeKit.MailboxAddress(ToNickName, ToAccount));
message.Subject = Subject;
var html = new MimeKit.TextPart("html")
{
Text = HtmlContent
};
// create an image attachment for the file located at path
var alternative = new MimeKit.Multipart("alternative");
alternative.Add(html);
// now create the multipart/mixed container to hold the message text and the
// image attachment
var multipart = new MimeKit.Multipart("mixed");
multipart.Add(alternative);
message.Body = multipart;
using (var client = new MailKit.Net.Smtp.SmtpClient())
{
client.Connect(smtpserver, port, usessh);
// Note: since we don't have an OAuth2 token, disable
// the XOAUTH2 authentication mechanism.
client.AuthenticationMechanisms.Remove("XOAUTH2");
// Note: only needed if the SMTP server requires authentication
var mailFromAccount = account;
var mailPassword = pwd;
client.Authenticate(mailFromAccount, mailPassword);
client.Send(message);
client.Disconnect(true);
}
}
catch (Exception ex)
{
throw new InvalidOperationException(ex.Message);
}
}
/// <summary>
/// メール送信を実行します。
/// </summary>
/// <param name="fromUser"></param>
/// <param name="fromAddress"></param>
/// <param name="toUser"></param>
/// <param name="toAddress"></param>
/// <param name="title"></param>
/// <param name="msg"></param>
/// <param name="host"></param>
/// <param name="port"></param>
/// <param name="userName"></param>
/// <param name="password"></param>
/// <param name="attachList"></param>
public static void Send(string fromUser, string fromAddress, string toUser, string toAddress, string title, string msg, string host, int port, string userName, string password, Dictionary <int, string> attachList)
{
try
{
List <string> tmpAttachPathList = new List <string>();
List <Stream> attachStreamList = new List <Stream>();
var message = new MimeKit.MimeMessage();
string[] name = toUser.Replace(",", ";").Split(';');
string[] addresses = toAddress.Replace(",", ";").Split(';');
message.From.Add(new MimeKit.MailboxAddress(fromUser, fromAddress));
try
{
for (int i = 0; i < addresses.Length; i++)
{
message.To.Add(new MimeKit.MailboxAddress(name[i].Trim(), addresses[i].Trim()));
}
}
catch (Exception)
{
throw new Exception("送信先名・送信先アドレスの数が一致しません。");
}
message.Subject = title;
var textPart = new MimeKit.TextPart(MimeKit.Text.TextFormat.Plain);
textPart.Text = msg;
if (HasAttach(attachList))
{
var multipart = new MimeKit.Multipart("mixed");
multipart.Add(textPart);
foreach (var attach in attachList)
{
if (!string.IsNullOrEmpty(attach.Value))
{
if (!System.IO.File.Exists(attach.Value))
{
throw new Exception("添付ファイル : [" + attach.Value + "] が見つかりませんでした。");
}
var attachment = new MimeKit.MimePart();
attachment.Content = new MimeKit.MimeContent(System.IO.File.OpenRead(attach.Value));
attachStreamList.Add(attachment.Content.Stream);
attachment.ContentDisposition = new MimeKit.ContentDisposition();
attachment.ContentTransferEncoding = MimeKit.ContentEncoding.Base64;
attachment.FileName = System.IO.Path.GetFileName(attach.Value);
multipart.Add(attachment);
}
}
message.Body = multipart;
}
else
{
message.Body = textPart;
}
using (var client = new MailKit.Net.Smtp.SmtpClient())
{
client.Connect(host, port);
if (!string.IsNullOrEmpty(userName) && !string.IsNullOrEmpty(password))
{
client.Authenticate(userName, password);
}
client.Send(message);
client.Disconnect(true);
}
//メール添付ファイルのストリームを閉じる
foreach (var s in attachStreamList)
{
s.Close();
}
}
catch (Exception ex)
{
throw Program.ThrowException(ex);
}
}